/* Equity Tax Calculator — styles
   Vanilla CSS, no frameworks. System font stack (fast, offline-friendly,
   works inside a future iPhone WebView wrapper). */

:root {
  --navy: #12332f;
  --navy-2: #1d4a44;
  --ink: #2b2521;
  --muted: #6f6459;
  --accent: #1ab3a5;
  --accent-dark: #0b7a70;
  --warn: #b45309;
  --danger: #b4232a;
  --bg: #faf7f1;
  --card: #ffffff;
  --line: #e7ded1;
  --radius: 12px;
  --shadow: 0 2px 10px rgba(18, 51, 47, 0.08);
  --maxw: 1080px;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.6;
  font-size: 16px;
}
h1, h2, h3 { line-height: 1.25; color: var(--navy); margin-top: 0; }
h1 { font-size: 2rem; }
h2 { font-size: 1.45rem; margin-bottom: 0.6rem; }
h3 { font-size: 1.1rem; }
p { margin: 0 0 1rem; }
a { color: var(--accent-dark); }
img { max-width: 100%; }

.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 1.1rem; }
.narrow { max-width: 760px; }

/* ---------- Header / nav ---------- */
.site-header {
  background: #ffffff;
  color: var(--ink);
  position: sticky;
  top: 0;
  z-index: 50;
  box-shadow: 0 1px 6px rgba(18,51,47,0.10);
  border-bottom: 1px solid var(--line);
}
.nav-bar { display: flex; align-items: center; justify-content: space-between; padding: 0.7rem 1.1rem; max-width: var(--maxw); margin: 0 auto; }
.brand { color: var(--navy); text-decoration: none; font-weight: 700; font-size: 1.1rem; letter-spacing: 0.2px; }
.brand span { color: var(--accent); }
.nav-links { display: flex; gap: 1.2rem; align-items: center; }
.nav-links a { color: var(--muted); text-decoration: none; font-size: 0.95rem; }
.nav-links a:hover { color: var(--accent-dark); }
.nav-toggle { display: none; background: none; border: 1px solid var(--line); color: var(--ink); border-radius: 8px; padding: 0.35rem 0.7rem; font-size: 1rem; }
.btn {
  display: inline-block; background: var(--accent); color: #fff; text-decoration: none;
  padding: 0.7rem 1.4rem; border-radius: 10px; font-weight: 600; border: 0; cursor: pointer; font-size: 1rem;
}
.btn:hover { background: var(--accent-dark); color: #fff; }
.btn-outline { background: transparent; border: 2px solid var(--accent); color: var(--accent-dark); }
.btn-outline:hover { background: var(--accent); color: #fff; }
.btn-nav { padding: 0.45rem 1rem; font-size: 0.9rem; }

/* ---------- Hero ---------- */
.hero { background: linear-gradient(135deg, #d3eeea 0%, #eef7f5 55%, var(--bg) 100%); color: var(--ink); padding: 3.2rem 0 2.6rem; }
.hero h1 { color: var(--navy); font-size: 2.3rem; margin-bottom: 0.8rem; }
.hero p.lead { color: var(--muted); font-size: 1.15rem; max-width: 640px; }
.hero-ctas { display: flex; gap: 0.8rem; flex-wrap: wrap; margin: 1.4rem 0 1rem; }
.trust-strip { display: flex; gap: 1.4rem; flex-wrap: wrap; margin-top: 1.4rem; color: var(--muted); font-size: 0.92rem; }
.trust-strip strong { color: var(--accent-dark); }

/* ---------- Cards / sections ---------- */
.section { padding: 2.6rem 0; }
.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(270px, 1fr)); gap: 1.2rem; margin-top: 1.2rem; }
.card {
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 1.4rem; box-shadow: var(--shadow); text-decoration: none; color: inherit; display: block;
}
a.card:hover { border-color: var(--accent); }
.card h3 { margin-bottom: 0.4rem; }
.card .kicker { color: var(--accent-dark); font-weight: 700; font-size: 0.8rem; text-transform: uppercase; letter-spacing: 0.6px; }
.card p { color: var(--muted); font-size: 0.95rem; margin-bottom: 0; }

/* ---------- Calculator ---------- */
.tabs { display: flex; gap: 0.5rem; overflow-x: auto; padding: 0.4rem 0 1rem; margin-bottom: 0.4rem; }
.tab-btn {
  flex: 0 0 auto; border: 1px solid var(--line); background: var(--card); border-radius: 999px;
  padding: 0.6rem 1.2rem; font-size: 0.95rem; font-weight: 600; color: var(--muted); cursor: pointer;
}
.tab-btn[aria-selected="true"] { background: var(--accent-dark); color: #fff; border-color: var(--accent-dark); }
.calc-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1.4rem; align-items: start; }
.panel { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 1.5rem; box-shadow: var(--shadow); }
.panel h2 { font-size: 1.25rem; }
.field { margin-bottom: 1rem; }
.field label { display: block; font-weight: 600; font-size: 0.92rem; margin-bottom: 0.3rem; }
.field .hint { font-weight: 400; color: var(--muted); font-size: 0.82rem; display: block; margin-top: 0.15rem; }
.field input, .field select {
  width: 100%; padding: 0.65rem 0.8rem; font-size: 1rem; border: 1px solid var(--line);
  border-radius: 8px; background: #fff; color: var(--ink);
}
.field input:focus, .field select:focus { outline: 2px solid var(--accent); border-color: var(--accent); }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 0.8rem; }

.results { background: #faf3e8; border: 1px solid #e8d5b8; }
.result-row { display: flex; justify-content: space-between; gap: 1rem; padding: 0.45rem 0; border-bottom: 1px dashed var(--line); font-size: 0.95rem; }
.result-row:last-child { border-bottom: 0; }
.result-row .val { font-weight: 700; white-space: nowrap; }
.gap-box {
  background: #fff7ed; border: 2px solid var(--warn); border-radius: 10px;
  padding: 1rem 1.2rem; margin: 1rem 0; text-align: center;
}
.gap-box .gap-label { font-size: 0.85rem; color: var(--warn); font-weight: 700; text-transform: uppercase; letter-spacing: 0.5px; }
.gap-box .gap-value { font-size: 2.1rem; font-weight: 800; color: var(--danger); }
.gap-box.good .gap-value { color: var(--accent-dark); }
.note { background: #f6efe3; border-left: 4px solid var(--accent-dark); padding: 0.8rem 1rem; border-radius: 0 8px 8px 0; font-size: 0.9rem; color: var(--ink); margin: 1rem 0; }
.warn-box { background: #fef3f2; border-left: 4px solid var(--danger); padding: 0.8rem 1rem; border-radius: 0 8px 8px 0; font-size: 0.9rem; margin: 1rem 0; }
.fine-print { font-size: 0.82rem; color: var(--muted); }
.calc-nav-note { margin-top: 1.2rem; text-align: center; }

/* ---------- Email capture placeholder ---------- */
.email-capture { display: flex; gap: 0.6rem; flex-wrap: wrap; margin: 1rem 0 0.4rem; }
.email-capture input { flex: 1 1 220px; padding: 0.7rem 0.9rem; border: 1px solid var(--line); border-radius: 10px; font-size: 1rem; }

/* ---------- Guides / article ---------- */
.article { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 2rem; box-shadow: var(--shadow); }
.article h1 { font-size: 1.9rem; }
.article .byline { color: var(--muted); font-size: 0.88rem; margin-bottom: 1.4rem; }
.article h2 { margin-top: 1.8rem; }
.article ul, .article ol { padding-left: 1.3rem; }
.article li { margin-bottom: 0.5rem; }
.article table { width: 100%; border-collapse: collapse; margin: 1rem 0; font-size: 0.92rem; }
.article th, .article td { border: 1px solid var(--line); padding: 0.55rem 0.7rem; text-align: left; }
.article th { background: #f3ece0; }
.back-link { display: inline-block; margin-bottom: 1rem; font-size: 0.92rem; }

/* ---------- FAQ ---------- */
details.faq { background: var(--card); border: 1px solid var(--line); border-radius: 10px; padding: 1rem 1.2rem; margin-bottom: 0.7rem; }
details.faq summary { font-weight: 700; cursor: pointer; color: var(--navy); }
details.faq p { margin: 0.7rem 0 0; color: var(--muted); }

/* ---------- Footer ---------- */
.site-footer { background: #e9f1ef; color: var(--muted); margin-top: 2rem; padding: 2.2rem 0 1.4rem; font-size: 0.9rem; }
.site-footer a { color: var(--accent-dark); }
.footer-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 1.4rem; margin-bottom: 1.4rem; }
.disclaimer { border-top: 1px solid #d3e0dc; padding-top: 1.2rem; font-size: 0.82rem; color: var(--muted); }

/* ---------- Pro funnel upsell ---------- */
.pro-funnel {
  background: linear-gradient(135deg, #0b7a70 0%, #1ab3a5 100%);
  border-radius: 14px;
  padding: 1.6rem 1.4rem;
  text-align: center;
  color: #fff;
  margin: 1.6rem 0;
  box-shadow: 0 4px 22px rgba(11,122,112,0.28);
  border: 2px solid #0b7a70;
}
.pro-funnel h3 { color: #fff; margin: 0 0 0.5rem; font-size: 1.35rem; }
.pro-funnel p { color: #e8f7f4; margin: 0 0 1.1rem; font-size: 1rem; }
.btn-pro-big {
  display: inline-block;
  background: #ffffff;
  color: #0b7a70;
  font-weight: 800;
  font-size: 1.2rem;
  padding: 0.95rem 2.2rem;
  border-radius: 12px;
  text-decoration: none;
  box-shadow: 0 2px 10px rgba(0,0,0,0.2);
}
.btn-pro-big:hover { background: #f2faf8; color: #0b7a70; }
.pro-funnel-small { padding: 1.2rem 1rem; margin: 1.2rem 0 0.4rem; }
.pro-funnel-small h3 { font-size: 1.15rem; }
.pro-funnel-small .btn-pro-big { font-size: 1.05rem; padding: 0.8rem 1.8rem; }

/* ---------- Responsive ---------- */
@media (max-width: 820px) {
  .calc-grid { grid-template-columns: 1fr; }
  .hero h1 { font-size: 1.8rem; }
  h1 { font-size: 1.6rem; }
  .nav-links { display: none; position: absolute; top: 100%; left: 0; right: 0; background: #ffffff; flex-direction: column; align-items: flex-start; padding: 1rem 1.4rem 1.4rem; gap: 0.9rem; border-bottom: 1px solid var(--line); box-shadow: 0 8px 20px rgba(18,51,47,0.10); }
  .nav-links.open { display: flex; }
  .nav-toggle { display: block; }
  .site-header { position: sticky; }
  .nav-bar { position: relative; }
  .field-row { grid-template-columns: 1fr; }
  .article { padding: 1.3rem; }
  .gap-box .gap-value { font-size: 1.7rem; }
}